The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 29, 1980
Filed:
Sep. 15, 1978
Jay W Hinze, Newark, OH (US);
Owens-Corning Fiberglas Corporation, Toledo, OH (US);
Abstract
An improvement is provided in apparatus of the type which comprises a glass feeder adapted to discharge a stream of glass, the feeder including a terminal or tab on each of opposed side wall portions and means are provided, including electrical connectors respectively connected to one or the other of the terminals for passing an electrical current through the bushing so as to resistively heat it and maintain it at an elevated temperature; the improvement resides in employing a bushing essentially comprising silicon carbide and locating a graphitic material intermediate the respective terminal and connector and in this way inhibiting the formation of silica to thereby provide a bushing with a longer operating life.